We go down through the water at about six feet per second.

我们以每秒6英尺的速度下潜。

Apollo 11, we track your speed increasing to 36,000 feet per second.

阿波罗11号，我们追踪到你们的速度达到每秒36000英尺。

Rips flow seaward at all depths at speeds typically 2 to 3 feet per second.

离岸流各种深度都有，通常以每秒2至3英尺的速度向海上流动。

45 meters (148 feet) per second down to 5 meters (16 feet) per second.

45 米（148 英尺）每秒下降到 5 米（16 英尺）每秒。

Huh, 1,120 feet per second or 761 miles per hour at this altitude.

嗯，在这个高度每秒 1,120 英尺或每小时 761 英里。

My first string had failed and I was falling about 400 feet per second, needing 1,000 feet for the shoot to open.

我的第一根绳子坏了，我以每秒 400 英尺的速度下落，需要 1000 英尺才能打开射击。

Accelerating at an initial rate of 32 feet per second per second.

以每秒32英尺的初速度做自由落体加速。

When you're going down that, kind of the back straight, you're traveling about 293 feet per second.

当你沿着那条路往下走时， 有点像背部笔直，你每秒行进约 293 英尺。

An itty-bitty stake to drive through a vampire's dead, rotten heart at 324 feet per second.

伊诗比蒂箭以99米/秒的速度射出 正中吸血鬼腐朽的心脏。

You don't notice it, but our planet spins pretty fast 460 meters per second (1,509 feet per second) as measured at the equator.

你可能没有注意到，地球自转速度非常快，在赤道地区的转速高达 460 米/秒（1509英尺/秒）。

That's a lot of ouch being delivered at over 2,800 feet per second, giving each 7.62mm round incredible kinetic energy.

以每秒超过 2, 800 英尺的速度发出大量哎哟声，为每个 7. 62 毫米的子弹提供令人难以置信的动能。

Another scenario is that you'll be sucked into a tornado which will be whirling at a speed of 135 meters or 443 feet per second.

另一种情况是，你会被卷入一场时速 135 米（443 英尺）/秒的龙卷风中。

So, she's now falling from 290 feet, instead of 300 feet, reaching the speed of 173 feet per second just before impact, not counting air resistance.

等于她现在是从290英尺落下，而不是300英尺，这样她在落地时的速度可以达到173英尺每秒，不考虑空气阻力的话。

At a height of 100 feet the average person will reach a velocity of roughly 80 feet per second, or 54 miles per hour.

在 100 英尺的高度， 普通人的速度大约为每秒 80 英尺，即每小时 54 英里。

They're calling it a " Tunabot" because it's vaguely shaped like the fish but with no fins except for the tail, and it can swim about three feet per second. But why?

工程师叫这个“Tunabot”，因为它大致看起来像鱼，但没有鱼鳍，只有鱼尾。这个机器每秒钟可以游三英尺。为什么做这个？

Stored along the tentacles, the stingers of a jellyfish fire off when the stinger cells detect the chemicals present on exposed skin, shooting their stinger into flesh at several hundred feet per second.

水母的毒刺沿着触手储存，当毒刺细胞检测到暴露皮肤上存在的化学物质时， 它们的毒刺就会以每秒数百英尺的速度射入肉中。

These currents, together with the accelerated rotation of the planet will also force the atmosphere to move, so you'll have to withstand a powerful wind, rushing at a speed of 140 meters or 459 feet per second.

这些暖流，再加上地球的加速自转，也会迫使大气层移动，所以你必须承受每秒 140 米（459 英尺）的强风。