Wherein (Top Gear's own) Jeremy Clarkson explains why we go fast, how, and the effect on society.
Part three went to fast - it left the earth. I can't find it.
part 1 of 6 http://video.google.com/videoplay?docid=-5125074392713967023
part 2 of 6 http://video.google.com/videoplay?docid=-3023624473044901440
part 3 of 6 http://www.veoh.com/browse/videos/category/educational/watch/v7014708yNfABcJ5
part 4 of 6 http://video.google.com/videoplay?docid=-7210015627953212186
part 5 of 6 http://video.google.com/videoplay?docid=-6689729805171588113
part 6 of 6 http://video.google.com/videoplay?docid=-1221515023583576967