> Once you reach terminal velocity the air pressure is imparting exactly the same kind of force against you to repel gravity as the floor would be at ground level, so you experience one full g.

And what's interesting, is that what feels "down" is actually "up". Which is one of the gotchas in flying.

> You only really feel weightless the moment you jump off a surface, before you've accumulated any velocity and thus before you're being accelerated by air resistance.

This is a very useful thing in ice skating, skiing, martial arts, etc. Especially combined with changing moment of inertia.