Originally Posted by JohnBurke

If the wheels vanish, that should solve most of the problem. The treadmill should vanish about the same time, and quite likely, the airplane with it. Now, if a cheetah is nearby waiting, it becomes an issue of who's faster on foot.

That's when it gets interesting.

Only the cheetah needs to worry about being the fastest, and then only faster than the slowest occupant of the non-airplane. The rest of us only need to worry about being faster than the slowest person. Other than that, everything will sort itself out in short order.