Acceleration is the rate of change of velocity, measured in metres per second squared. One standard g is defined as exactly 9.80665 m/s², about 32.174 ft/s². The gal (1 cm/s²) is used in geophysics and seismology. This converter helps translate car performance (0 to 100 km/h in 5 s is about 5.56 m/s², or 0.57 g), roller-coaster and aviation loads quoted in g, and accelerometer readings from phones or sensors.
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