Airbag jackets? Your thoughts? (now other gear questions)

[.RJ]

Derek's logic assumes that bike acts as a catapult to 'launch' the rider as it pivots on the front wheel, but that would mean the bike is now going faster than the rider (to apply an accelerative force) being launched off of it, which is impossible.

Deersty - for someone who is a math major you have a pretty poor grasp of basic physics.