> It can exit at 1 m/s and still be thrust But it won't be enough thrust to counterbalance the force of scooping up air that collides at 8 km/s In order to pr

> It can exit at 1 m/s and still be thrust But it won't be enough thrust to counterbalance the force of scooping up air that collides at 8 km/s In order to produce net thrust, it has to be more than that.