RE: Speed is all you need! (?)
Bill,
Even better, the speed of sound is 1092 fps.
a neat chart I dug up
Air 1,092
Oxygen 1,040
Hydrogen 4,164
Carbonic Acid 858
River-water (Seine) 15c 4,741
Solution of Common Salt 18c 5,132
Common Alcohol 20c 4,218
Solution Chloride of calcium 23c 6,493