Rocket cross word

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Across
  1. 2. impulse thrust times duration
  2. 4. not turbulent
  3. 8. a small rocket engine on a spacecraft
  4. 9. can be propelled to a great height or distance by the combustion of its contents, used 4typically as a firework or signal.
  5. 11. capable of propelling something
  6. 12. of pressure. Center of where the pressure is
  7. 13. rise from the ground or a launch pad
Down
  1. 1. the action of pulling something forcefully or with difficulty.
  2. 2. push of something sudden
  3. 3. moving unsteadily or violent
  4. 5. von Braun he designed a missile used against England
  5. 6. Robert H. Goddard physicist
  6. 7. the speed of something in a direction.
  7. 10. third law of motion for every action there is always an opposite reaction