Ameteor 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 best describes the meteor’s motion? a its velocity was 7.8 km/s northward b its acceleration was 468 kilometers per second squared c its speed was 468 km/s northward d its acceleration was 7.8 kilometers per second squared