An astronaut on the moon throws a baseball upward. The astronaut is 6ft,6in. tall, and the initial velocity of the ball is 50ft per sec. The height of the ball in feet is given by the equation s=-2.

Question: What is the height of the ball in feet when it is thrown upward by the astronaut on the moon?
A) -2
B) 0
C) 6ft, 6in
D) Cannot be determined