A planet revolves around a certain star. At one point in the planet's orbit, called periapsis, it passes much closer to the star. Which of the following statements about periapsis is true?   The planet's orbital period becomes shorter after every periapsis.   The planet's orbital period becomes longer after every periapsis.   The planet orbits with a slower speed during periapsis.   The planet orbits with a greater speed during periapsis.

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A: Solution: given that Planet A R = 200 million km T =500 days Planet B R = 450 million km

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Q: orbital period in years

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