what is acceleration? write its SI unit
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In physics or physical science, acceleration (symbol: a) is defined as the rate of change (or derivative with respect to time) of velocity. ... In SI units, acceleration is measured in meters/second² using an accelerometer.
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- Acceleration is the rate of change of velocity. Usually, acceleration means the speed is changing, but not always. When an object moves in a circular path at a constant speed, it is still accelerating, because the direction of its velocity is changing.
SI units, acceleration is measured in meters/second²
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