The exit velocity is typically in the low-hundreds of feet per second.

出口速度一般在每秒几百英尺左右。

youdao

The door and window open at a right angle cause a draught of thirtytwo feet per second according to the law of falling bodies.

按照物体坠落的规律，门窗开成直角形便导致每秒钟三十二英尺的穿堂风。

youdao

In this case, the 33 megajoules launched the shot 5,500 feet per second, exceeding the speed of sound and releasing a sonic boom.

如若这样，那么3千3百万焦耳发射出的炮弹速度高达每秒5500英尺，这一速度超越了音速，会产生音爆。

youdao

thirty-six feet per second up. Very smooth, very quiet ride."

VOA: special.2009.07.15

It galloped toward the planet's core, accelerating at gravity's constant 32 feet per second per second.

NPR: Defying Gravity, and Odds, in New Orleans

Seventy-five thousand tons dead-weight rushing through the fog at the rate of fifty feet per second, had hurled itself at an iceberg.

NEWYORKER: Unsinkable

On Friday evening, the Corps said it would open the spillway once river flows reach 1.5 million cubic feet per second.

CNN: STORY HIGHLIGHTS