The Speed of Halley's Comet, While Traveling in Its Elliptical

Multiple Choice

The speed of Halley's comet, while traveling in its elliptical orbit around the sun,

A) increases as it nears the sun.
B) is constant.
C) is zero at two points in the orbit.
D) is zero at four points in the orbit.
E) decreases as it nears the sun.