pub const SPEED_OF_SOUND_MPS: f64 = 340.29;Expand description
Speed of sound at sea level, standard atmospheric conditions
Value: 340.29 m/s (1116.8 ft/s) Conditions: 15°C (59°F), 1013.25 hPa, dry air
Temperature dependence: c = 331.3 * sqrt(T_kelvin / 273.15)
Note: Some calculations use 343.0 m/s (20°C reference) - ensure consistency in Mach number calculations. This value follows ICAO Standard Atmosphere.
Source: International Standard Atmosphere (ISO 2533)