Holy shit. 52+ pages. I feel dumber for actually having read the bulk of this.

The plane question is designed to confuse based on anyone's interpretation of the word speed.

If the plane's speed relative to the treadmill was equal, the plan would appear to not be moving and would not take off.

If the plane's speed relative to the air and the stable ground was equal to the treadmill's speed, aside from having to overcome minimal friction at the wheels spinning twice the speed of the plane, it takes off.

Not that all that hasn't been said about 700 times....

Now...in order to maintain airspeed velocity, an African swallow has to beat its wings 37 times a second....Am I right?