Take the difference of the two velocities and divide by the difference of the two times, and you've got the acceleration.

求出速度的差值,除以时间的差值,这样就能得到加速度

耶鲁公开课 - 基础物理课程节选

Their difference divided by the difference in times is going to be the acceleration.

它们的差值再除以时间的差值,就是加速度

耶鲁公开课 - 基础物理课程节选