| Answer | Crossword Clue |
|---|---|
| SLOWING | Decelerating. |
| SLOWINGDOWN | Decelerating |
| RETRO | Rocket used for decelerating |
| deceleration | the act of decelerating |
| decelerations | DECELERATION, the act of decelerating |
| drogues | small parachute for stabilizing or decelerating something (as an astronaut's capsule) or for pulling a larger parachute out of stowage |
