[] spawn {
  _veh = vehicle player;
  if (speed _veh == 0) then {
      hint "0";
    };
  while {alive _veh} do {
    _myspeed = round (speed _veh);
    if (_myspeed > 0) then {
      hint format ["%1", _myspeed];
    };
	if (_myspeed < 0) then {
      hint format ["%1", _myspeed];
    };
    sleep 0.1;
  };
};