A Long,perfectly Level,frictionless Bowling Alley,over 2000 Meters Long,is Built by a Group

Multiple Choice

A long,perfectly level,frictionless bowling alley,over 2000 meters long,is built by a group of students as a class project.The center of the alley just touches the Earth near their school and the ends of the alley extend tangentially into outer space.A bowling ball released at either end starts rolling towards the center of the alley and will continue moving

A) indefinitely.
B) until it strikes the pins at the far end and stops.
C) for a while but slows to a stop before reaching the pins.