A French scientific work states the ordinary rate to be:
per second.
Of a man walking 4 feet.
Of a good horse in harness 12 ”
Of a rein-deer in a sledge on the ice 26 ”
Of an English race-horse 43 ”
Of a hare 88 ”
Of a good sailing ship 19 ”
Of the wind 82 ”
Of sound 1038 ”
Of a 24-pounder cannon-ball 1300 ”