Text: Gas Speed of sound Dry air at 32 F 1087 ft a second " 60 F 1118 ft a second " 212 F 1287 ft a second Hydrogen at 60 F 4340 ft a second Carbon dioxide at 60 F 850 ft a second AIR 963.6 fps at 6,100 feet altitude (according to Ken's friend; 657 mph)

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