36.111813081Highest recorded human-powered speed37.02121.5133.282.8 Sam Whittingham  in a  recumbent bicycle [1] Muzzle velocity  of a  paintball marker 90295320200Cruising speed of a  Boeing 747-8  passenger jet255836917570 Mach  0.85 at 35,000 ft altitudeThe official  land speed record 341.11119.11227.98763The  speed of sound  in dry air at sea-level pressure and 20 °C34311251235768