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The speed of sound varies depending on the temperature, pressure, and density of the medium through which the sound waves travel. For dry air at sea level at 68° F, the speed of sound is 767 miles per hour, or 1235 km/h

Speed of sound - Wikipedia

en.wikipedia.org/wiki/Speed_of_sound

The speed of sound is the distance travelled per unit time by a sound wave as it propagates through an elastic medium. In dry air at 20 °C (68 °F), the speed of sound is 1,130 feet per sec...

Why you DON'T want to break the sound barrier | Air gun blog ...

www.pyramydair.com/blog/2011/08/why-you-dont-want-to-break-the-sound-barrier/

Aug 23, 2011 ... The usual speed of sound is given as about 1,125 f.p.s. when all ..... You have to get up to about 2300 feet per second to get wind drift numbers ...

What is the speed of sound in fps? | Reference.com

www.reference.com/science/speed-sound-fps-d9fbde520f54548c

The speed of sound, known as Mach 1, varies depending on the medium through which a sound wave propagates. In dry, sea level air that is around 25 degrees ...

Silent but deadly: Special forces seek quiet, subsonic bullets - CNN ...

www.cnn.com/2012/11/20/tech/innovation/subsonic-bullets-wired/

Nov 21, 2012 ... For one, to keep a bullet from breaking the sound barrier -- 1,100 feet per second at sea level -- requires several trade-offs at higher calibers.

Convert speed of sound to feet per second | speed and velocity ...

convert-to.com/conversion/speed/convert-speed-of-sound-to-ft-per-second.html

This on the web one-way conversion tool converts speed and velocity units from speed of sound ( sea level ) into feet per second ( ft/sec ) instantly online.

Supersonic Shots - Air Gun Information - Tripod

air_guns.tripod.com/supersonic_shots.htm

For months me and Steve in NC have been have been discussing the speed of sound, off and on. I had read years ago that the speed of sound was 1,080 fps ...

Elevation - Speed of Sound - Engineering ToolBox

www.engineeringtoolbox.com/elevation-speed-sound-air-d_1534.html

Elevation, US Std Atmosphere <sup>1)</sup>, Speed of Sound. Temperature, Pressure. ( meters), (feet), (<sup>o</sup>C), (<sup>o</sup>F), (kPa), (psi), (m/s), (ft/s) ...

Feet Per Second to Speed Of Sound In Air | Kyle's Converter

www.kylesconverter.com/speed-or-velocity/feet-per-second-to-speed-of-sound-in-air

Instantly Convert Feet Per Second (fps) to Speed Of Sound In Air (s) and Many More Speed Or Velocity Conversions Online. Feet Per Second Conversion Charts ...

Speed Of Sound In Air to Feet Per Second | Kyle's Converter

www.kylesconverter.com/speed-or-velocity/speed-of-sound-in-air-to-feet-per-second

Instantly Convert Speed Of Sound In Air (s) to Feet Per Second (fps) and Many More Speed Or Velocity Conversions Online. Speed Of Sound In Air Conversion  ...