Convert 121 Feet per Second to Mach
How fast is 121 feet per second? What is 121 feet per second in Mach? 121 fps to mach conversion.
From
To
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121 Feet per Second ≈
Mach 0.11132146
result rounded
Decimal places
Result in Plain English
121 feet per second is equal to about Mach 0.111.
To a Percentage
121 feet per second ≈ 11.1% of a Mach.
In Scientific Notation
121 feet per second
= 1.21 x 102 feet per second
≈ 1.11321 x 10-1 Mach
Feet per Second
A foot per second is a unit of speed. Something traveling at one foot per second is traveling exactly 0.3048 meters per second, or about 0.682 miles per hour.Common abbreviations: ft/s, fps
Mach
Mach is the ratio of an object's speed to the speed of sound. For example, something traveling at Mach 5 is traveling at 5 times the speed of sound. The speed of sound varies depending on many factors. In dry air, at 0 degrees Celsius, the speed of sound is about 331.3 meters per second.