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

PART I	PART II
PART III This bit is http://www.veoh.com/browse/videos/category/educational/watch/v7014708yNfABcJ5 here.
PART IV
Part V	Part VI