Develop a model using eulers method from vensim file

{UTF-8} velocity= V ~ meter/second ~ | g= -9.8 ~ meter/second/second ~ | initial height= 50 ~ meter ~ | initial Velocity= 0 ~ meter/second ~ | V= INTEG ( g, initial Velocity) ~ meter/second ~ | Y= INTEG ( velocity, initial height) ~ meter ~ | ******************************************************** .Control ********************************************************~ Simulation Control Parameters | FINAL TIME = 4 ~ 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 = 0.0078125 ~ 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,Times New Roman|12||0-0-0|0-0-0|0-0-255|-1--1--1|-1--1--1|96,96,100,0 10,1,V,406,145,40,20,3,3,0,0,0,0,0,0 12,2,48,201,147,10,8,0,3,0,0,-1,0,0,0 10,3,Y,386,270,40,20,3,3,0,0,0,0,0,0 12,4,48,161,274,10,8,0,3,0,0,-1,0,0,0 1,5,7,3,4,0,0,22,0,0,0,-1--1--1,,1|(305,274)| 1,6,7,4,100,0,0,22,0,0,0,-1--1--1,,1|(211,274)| 11,7,48,258,274,6,8,34,3,0,0,1,0,0,0 10,8,velocity,258,296,33,14,40,131,0,0,-1,0,0,0 1,9,1,7,1,0,0,0,0,64,0,-1--1--1,,1|(324,224)| 10,10,initial Velocity,588,154,44,11,8,3,0,0,0,0,0,0 10,11,initial height,531,276,37,11,8,3,0,0,0,0,0,0 1,12,10,1,0,0,0,0,0,64,1,-1--1--1,,1|(501,149)| 1,13,11,3,0,0,0,0,0,64,1,-1--1--1,,1|(466,273)| 10,15,initial height,880,57,46,11,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|12||128-128-128 10,17,initial Velocity,1056,128,53,11,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|12||128-128-128 10,18,Time,973,189,26,11,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|12||128-128-128 10,22,initial Velocity,862,184,53,11,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|12||128-128-128 1,24,26,1,4,0,0,22,0,0,0,-1--1--1,,1|(330,147)| 1,25,26,2,100,0,0,22,0,0,0,-1--1--1,,1|(246,147)| 11,26,284,288,147,6,8,34,3,0,0,1,0,0,0 10,27,g,288,166,6,11,40,3,0,0,-1,0,0,0 ///---\\\ :L<%^E!@ 1:Current.vdf 9:Current 23:0 15:0,0,0,5,0,0 19:100,0 27:0, 34:0, 4:Time 5:g 35:Date 36:YYYY-MM-DD 37:2000 38:1 39:1 40:7 41:0 42:1 24:0 25:4 26:4