Across
- 2. the rate at which someone or something is able to move or operate.
- 4. the action or process of moving or of changing place or position
- 6. increase of speed or velocity
Down
- 1. rapidity of motion or operation; swiftness; speed
- 3. The capacity to do work or cause physical change; energy, strength, or active power
- 5. the standard unit of force in the SI