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| Any speed over the speed of sound is said to be '''supersonic'''. Many modern ] are supersonic. The ] is a supersonic passenger aircraft, currently the only one flying. Speeds greater than 5 times the speed of sound are sometimes referred to as ]. | Any speed over the speed of sound, which is 1,225 ] at sea level, is said to be '''supersonic'''. Many modern ] are supersonic. The ] is a supersonic passenger aircraft, currently the only one flying. Speeds greater than 5 times the speed of sound are sometimes referred to as ]. | ||
| See also: | See also: | ||
Revision as of 14:19, 29 August 2003
Any speed over the speed of sound, which is 1,225 km/h at sea level, is said to be supersonic. Many modern fighter aircraft are supersonic. The Concorde is a supersonic passenger aircraft, currently the only one flying. Speeds greater than 5 times the speed of sound are sometimes referred to as hypersonic.
See also: