Free Fall

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Across
  1. 2. the average distance that something travels over time
  2. 6. a vector quantity that is the time derivative of velocity
  3. 9. the difference between the ending time and beginning time
Down
  1. 1. the speed of the object at any given moment of time
  2. 3. motion that is observed from one reference frame
  3. 4. the falling motion of an object without resistance
  4. 5. the rate at which an object changes its position
  5. 7. rate of change
  6. 8. how fast an object is moving