[RyDeR`]

Keep it simple: >>

pawn Код:

new
    Float: vX,
    Float: vY,
    Float: vZ,
    Float: Speed,
    string[32] // If you have mor chars just higher this..
;
GetVehicleVelocity(GetPlayerVehicleID(playerid), vX, vY, vZ);
Speed = floatsqroot(floatpower(vX, 2) + floatpower(vY, 2) + floatpower(vZ, 2)) * 99;
format(string, sizeof(string), "Speed: %0.0f mp/h", Speed);
//TextDrawSetString(TD, string), TextDrawShowForPlayer(playerid, TD);