http://www.intuitor.com/moviephysics/
It turned out to be from a site that specializes in pointing out erroneous physics in movies. In other words: nerds bitch about momentum and acceleration. And say things like 'The movie's computer mumbo-jumbo isn't worthy of a C++.'
We've gone off-track. Please continue the discussion if you're still interested, I'm getting the hell out of this thread before I fuck up things further.