[Kurama]

pawn Код:

stock GetPlayerVehicleSpeed(playerid){
    new vehicleid = GetPlayerVehicleID(playerid);
    if(!vehicleid) return -1;
    new Float:speed_x, Float:speed_y, Float:speed_z;
    GetVehicleVelocity(vehicleid,speed_x,speed_y,speed_z);
    return floatround(floatsqroot(((speed_x*speed_x)+(speed_y*speed_y))+(speed_z*speed_z))*136.666667,floatround_round);
}

Podes usarla en OnPlayerUpdate para un textdraw.