Код:
GetPlayerSpeed(playerid) 
{ 
    new Float:ST[4]; 
    if(IsPlayerInAnyVehicle(playerid))GetVehicleVelocity(GetPlayerVehicleID(playerid),ST[0],ST[1],ST[2]); 
    else GetPlayerVelocity(playerid,ST[0],ST[1],ST[2]); 
    ST[3] = floatsqroot(floatpower(floatabs(ST[0]), 2.0) + floatpower(floatabs(ST[1]), 2.0) + floatpower(floatabs(ST[2]), 2.0)) * 150.0; 
    return floatround(ST[3]); 
}