After Their Rocket Engines Shut Off, Astronauts Experience Weightlessness in the Orbiting

question 8

Multiple Choice

After their rocket engines shut off, astronauts experience weightlessness in the orbiting Space Shuttle,

• A) but they are not accelerating, since nothing actually has weight in space.
• B) and they are accelerating because they are actually in free-fall.
• C) and they are accelerating because they have constant velocity as they pass overhead.
• D) but they cannot accelerate because their rocket engines are shut off.

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