04.05.2014, 09:55
I'm sure this will get you in the right way:
https://sampwiki.blast.hk/wiki/SetTimer
https://sampwiki.blast.hk/wiki/GetVehicleVelocity
https://sampwiki.blast.hk/wiki/CreateExplosion
And this thread for getting the right speed
https://sampwiki.blast.hk/wiki/SetTimer
https://sampwiki.blast.hk/wiki/GetVehicleVelocity
https://sampwiki.blast.hk/wiki/CreateExplosion
And this thread for getting the right speed