Vocab

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