A meteor moving 468 km per minute traveling in a south-to-north direction passed near Earth in 2013. Because the meteor was only 45 m wide and was 27,700 km above Earth’s surface, it was not visible without the aid of a telescope.

Which statement describes the meteor’s motion?
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1 point
Its acceleration was 7.8 km/s2.
Its speed was 468 km/s northward.
Its velocity was 7.8 km/s northward.
Its acceleration was 468 km/s2.

Its speed was 468 km/s northward.