{UTF-8}
Instrument Position= INTEG (
	Change in position,
		0)
	~	
	~		|

Instrument Velocity= INTEG (
	Change in velocity,
		0)
	~	
	~		|

Change in position=
	Instrument Velocity
	~	
	~		|

Change in velocity=
	IF THEN ELSE(Time>10, -9.81 , acceleration )
	~	
	~		|

acceleration=
	(upward force-instrument mass*9.81)/(instrument mass)
	~	
	~		|

Weather Balloon Position= INTEG (
	Rate of Change of Position,
		0)
	~	
	~		|

instrument mass=
	5
	~	 [1,12,1]
	~		|

upward force=
	98
	~	 [0,100,1]
	~		|

Rate of Change of Position=
	Balloon Velocity
	~	
	~		|

Rate of Change of Velocity=
	acceleration
	~	
	~		|

Balloon Velocity= INTEG (
	Rate of Change of Velocity,
		0)
	~	
	~		|

********************************************************
	.Control
********************************************************~
		Simulation Control Parameters
	|

FINAL TIME  = 30
	~	Second
	~	The final time for the simulation.
	|

INITIAL TIME  = 0
	~	Second
	~	The initial time for the simulation.
	|

SAVEPER  = 
        TIME STEP 
	~	Second [0,?]
	~	The frequency with which output is stored.
	|

TIME STEP  = 1
	~	Second [0,?]
	~	The time step for the simulation.
	|

\\\---/// Sketch information - do not modify anything except names
V300  Do not put anything below this section - it will be ignored
*View 1
$192-192-192,0,Comic Sans MS|12||0-0-0|0-0-0|0-0-255|-1--1--1|-1--1--1|120,120,100,0
10,1,Weather Balloon Position,403,178,64,46,3,131,0,1,0,3,0,0,0-0-255,0-0-0,|12||0-0-0
10,2,Balloon Velocity,411,355,67,46,3,131,0,0,0,1,0,0
12,3,48,92,164,10,8,0,3,0,0,-1,0,0,0
1,4,6,1,4,0,0,22,0,0,0,-1--1--1,,1|(282,164)|
1,5,6,3,100,0,0,22,0,0,0,-1--1--1,,1|(158,164)|
11,6,48,220,164,6,8,34,3,0,0,1,0,0,0
10,7,Rate of Change of Position,220,200,89,28,40,3,0,0,-1,0,0,0
12,8,48,99,343,10,8,0,3,0,0,-1,0,0,0
1,9,11,2,4,0,0,22,0,0,0,-1--1--1,,1|(288,343)|
1,10,11,8,100,0,0,22,0,0,0,-1--1--1,,1|(164,343)|
11,11,48,226,343,6,8,34,3,0,0,1,0,0,0
10,12,Rate of Change of Velocity,226,379,89,28,40,3,0,0,-1,0,0,0
1,13,2,7,1,0,0,0,0,64,0,-1--1--1,,1|(327,262)|
10,14,acceleration,231,502,58,15,8,3,0,2,0,0,0,0,-1--1--1,0-0-0,|12||0-128-0
10,15,upward force,94,589,49,36,8,131,0,0,0,0,0,0
10,16,instrument mass,393,605,58,49,8,131,0,0,0,0,0,0
1,17,15,14,1,0,0,0,0,64,0,-1--1--1,,1|(166,564)|
1,18,16,14,1,0,0,0,0,64,0,-1--1--1,,1|(297,558)|
1,19,14,12,1,0,0,0,0,64,0,-1--1--1,,1|(275,454)|
10,20,Instrument Position,892,196,63,54,3,131,0,1,0,3,0,0,255-0-0,0-0-0,|0||0-0-0
10,21,Instrument Velocity,886,391,67,52,3,131,0,0,0,0,0,0
12,22,48,603,199,10,8,0,3,0,0,-1,0,0,0
1,23,25,20,4,0,0,22,0,0,0,-1--1--1,,1|(778,199)|
1,24,25,22,100,0,0,22,0,0,0,-1--1--1,,1|(664,199)|
11,25,0,721,199,6,8,34,3,0,0,1,0,0,0
10,26,Change in position,721,235,47,28,40,3,0,0,-1,0,0,0
12,27,48,611,387,10,8,0,3,0,0,-1,0,0,0
1,28,30,21,4,0,0,22,0,0,0,-1--1--1,,1|(772,387)|
1,29,30,27,100,0,0,22,0,0,0,-1--1--1,,1|(667,387)|
11,30,0,720,387,6,8,34,3,0,0,1,0,0,0
10,31,Change in velocity,720,423,47,28,40,3,0,0,-1,0,0,0
1,32,21,26,1,0,0,0,0,64,0,-1--1--1,,1|(825,296)|
1,33,14,31,1,0,0,0,0,64,0,-1--1--1,,1|(504,513)|
10,34,Time,794,547,33,15,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|0||128-128-128
1,35,34,31,1,0,0,0,0,64,0,-1--1--1,,1|(736,501)|
12,36,1704920,1334,254,312,189,3,188,0,0,1,0,0,0
Motion
///---\\\
:GRAPH Motion
:TITLE Motion
:SCALE
:VAR Weather Balloon Position
:Y-MIN 0
:Y-MAX 3000
:LINE-WIDTH 3
:VAR Instrument Position
:LINE-WIDTH 3
:L<%^E!@
1:Current.vdf
9:Current
22:$,Dollar,Dollars,$s
22:Hour,Hours
22:Month,Months
22:Person,People,Persons
22:Unit,Units
22:Week,Weeks
22:Year,Years
22:Day,Days
23:0
15:0,0,0,1,0,0
19:100,0
27:2,
34:0,
4:Time
5:acceleration
35:Date
36:YYYY-MM-DD
37:2000
38:1
39:1
40:7
41:0
24:0
25:30
26:30