Quote:
Originally posted by TJ:
AAARGGG!

The belt only moves if the plane moves....

Speed, or Movement, means relative to the world...not the belt.

My GPS will say I'm going 0 mph if I am on a tread mill that is turning at 4 mph.

If my tread mill MATCHES MY SPEED, it would be turning at ZERO MPH.
We tried to explain that to them but they are two busy defending the incorrect answer to read!!