Computing...

Input interpretation:

air | sound speed | temperature | -40 °F  (degrees Fahrenheit)\npressure | 1 atm  (atmosphere)


Result:

684.9 mph  (miles per hour)


Thermodynamic properties:

phase | gas\ntemperature | 233.2 K\n-40 °C\npressure | 101325 Pa\n1 atm\ndensity | 1.516 kg\/m^3\n0.001516 g\/cm^3\nsound speed | 684.9 mph\n306.2 m\/s

Source information
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