Originally Posted by
Jet_Fan
no, it's -499 because he is facing the tail. If he stops it goes back to -500. If he turns to face the cockpit while stationary it goes from -500 to +500 almost instantly.
So you choose a ground-centric reference frame for the velocity vector, but a anthropomorphic reference frame for the maginitude?
You are out of your depth - stop digging.
PDR