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Say I have an object moving with an acceleration of 5 m/s$^2$. At a certain point X, due to some forces, the acceleration of the object changes from 5 m/s$^2$ to 2 m/s$^2$.

Would this change in acceleration be called deceleration? Or do we have other terminology to model this change in acceleration?

Kyle Kanos
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ysun
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1 Answers1

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It is still accelerating, albeit with a lesser magnitude. The derivative of acceleration is called Jerk (See Physical intuition for higher order derivatives). So at point B it is accelerating with negative jerk.

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John Alexiou
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