Algodoo

it` a litle complicated ^^ you need a very good cumputer for no lag
it' with a french keyboard

( hold)<- : unlock the rocket
"s" + "d" : start boost
"e" + "r" : leave the first stage
"f" : boost 2
"t" : leave the second stage
"g" : boost 3
"y" : leave the third stage
"h" : boost 4
"u" : leave the fourth stage
"j" : boost 5
wait a litke or as you want
"w" : for open the head of rocket
"x" : for drop the satellite
and hold (a long time) "c" for openning salar panel and hold "v" for closing them.

rate and comment plz thank and have phun;)