The relationship between the instant speed of swing during smash and the bounce distance of the ball hit were studied by experiment.

通过对击球瞬间挥拍速度与被击出的球飞出距离的关系进行了实验研究。

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I can remember how, after months of being slowed down by severe depression, I tried to work out how to swing my arms when walking at normal speed.

我还记得，在经过数月的严重的抑郁症的拖累下，我如何努力使自己了解在常速下行走该怎样摆动胳膊。

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More height is more speed, just waiting to happen. You can increase the energy of your swing in two separate ways.

荡得越高说明你的速度越快，这仅仅是一个过程问题。你可以通过两种不同的方法来增加你的能量。

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The device saves all the data from each hit, namely the animation, path, putter-face angle at impact and throughout the stroke, angle of attack, tempo, impact speed and swing path distance -- in other words, more information than most players would know what to do with.

ENGADGET: 3BaysGSA Putt: a Bluetooth golf gadget that puts eyes in your putter (hands on)

Wearing lumbar corsets may have affected the swing's speed and accuracy as well as the carrying distance, or length of the shot, they said.

WSJ: Will Corsets Help Golf-Related Back Pain?