'Of 500, 1,000 or 10,000 mph, the approximate speed of a spot on the equator while the Earth spins'
1,000 mph
SPEED: Of 500, 1,000 or 10,000 mph, the approximate speed of a spot on the equator while the Earth spins
Of 500, 1,000 or 10,000 mph, the approximate speed of a spot on the equator while the Earth spins
Of 500, 1,000 or 10,000 mph, the approximate speed of a spot on the equator while the Earth spins
SPEED
1,000 mph
SPEED