随着球向山下滚动，它的速度越来越快。

The ball gathered pace as it rolled down the hill.

《牛津词典》

DB 2 High Performance Unload还能够重新分配数据，帮助提高备份和恢复操作的速度，它启用了从完整的数据库备份卸载和恢复单个表的功能。

DB2 High Performance unload can also repartition data and help speed backup and recovery operations by enabling unload and recovery of single tables from a full database backup.

youdao

回到这个点的时候，x，then，when，it，is，back，at，this，point，肯定是-,为了方便我用0表示-,加上133米每秒，这是X方向的速度，它没有变过。

x Xo must be x zero-- - which I conveniently choose zero-- plus 133 meters per second, which is the velocity in the x direction, which never changes.

youdao

This machinery is so precise that a human hair couldn't even pass between the heads and spinning platters, yet it all works in terrific speeds.

这些设备是很紧密的以至于人的头发,都不能在头和旋转的磁盘之间通过，尽管如此，它的运行速度非常快。

哈佛公开课 - 计算机科学课程节选

One is inertial mass, which is how much you hate your velocity to change, how hard you resist acceleration.

一个是惯性质量,它反映了物体速度改变的难易程度,即保持加速度的难易程度

耶鲁公开课 - 基础物理课程节选

And I have purposely made the arrow shorter to indicate that it has been slowed because we are going to argue its mass didn't change, so the only way to change its energy is to change its velocity.

我已经故意将这个箭头弄短,用来象征它变慢了,因为我们将证明它的质量没有变，只有它的能量改变了,也就是它的速度变了。

麻省理工公开课 - 固态化学导论课程节选