> > FWIW - a raindrop has a terminal velocity of a few tens of kilometres per > > second. Actual velocity depends on drop size but in free fall is never > > vast. > Surely tens of *meters* rather than kilometers? Whoops - yes Tens of kilometres per hour that should have said. Tens of kilometres per second gets you into space :-) RM -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.