So what, now, is the average acceleration?

那平均加速度到底是多少呢？

youdao

Find the magnitude of the average acceleration during the interval.

求在这段时间间隔内平均加速度的数值。

youdao

So if you substitute that in there you get an average acceleration which is smaller than zero.

所以如果把它代进来，会得到一个，小于0的平均加速度。

youdao

It's useful to have the average acceleration, which you can find by taking similar differences of velocities.

平均加速度也是很有用的,你可以用类似方法,取速度的变化量求出来

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