Neglecting Air Resistance, a Man on a High Ladder Releases

Multiple Choice

Neglecting air resistance, a man on a high ladder releases a ball which strikes the ground with 100 J of kinetic energy. If he were to throw it straight upward instead, it will eventually reach the ground with a kinetic energy of

A) 100 J.
B) less than 100 J.
C) more than 100 J.