[Bessensap]

OR you just use

pawn Код:

new Float:vx,Float:vy,Float:vz;
GetVehicleVelocity(GetPlayerVehicleID(playerid),vx,vy,vz);
SetVehicleVelocity(GetPlayerVehicleID(playerid), vx * 1.3, vy *1.3, vz * 1.3);

Works perfectly fine.