Watch how the corner of Collins' jacket moves in this clip.
Apollo_11__The_TV_Transmission_Conspiracy_Theorists_Hate_.mp4
(00:52 time mark)
The corner of Collins' jacket swings back and forth the way it would in gravity.
Look at the corners of the jacket the woman astronaut is wearing in this clip.
Discovery Crew Enters International Space Station
http://uk.youtube.com/watch?v=TejsnPThmd4 That is real zero-gravity and they behave quite differently.
The movement of Collins' jacket corner is very different from that of the straps in this clip which is in zero-G.
Our World: Exercise Equipment
(3:17 time mark)
It looks the same as the movement of this guy's jacket corners in gravity.
ISS space station treadmill running
That footage was not taken halfway to the moon. It was taken in strong earth gravity. One possible explanation is that they were trying to fake zero-gravity in a diving plane and the plane wasn't diving fast enough at that point.