| Answer | Crossword Clue |
|---|---|
| RATE | Feet per second, e.g. |
| cusec | short for cubic feet per second |
| cusecs | CUSEC, short for cubic feet per second |
| RATE | Feet per second or gallons per minute |
| SOUND | Its velocity is 1,087 feet per second. |
| hypervelocity | a high or relatively high velocity, as thousands of feet or meters per second |
| hypervelocities | HYPERVELOCITY, a high or relatively high velocity, as thousands of feet or meters per second |
