An Ion Engine Provides a Small but Constant Force on a Spacecraft

Multiple Choice

An ion engine provides a small but constant force on a spacecraft as it moves from Earth to Pluto. Compare the acceleration of the spacecraft near the beginning of its journey with its acceleration as it flies past Pluto.

A) The spacecraft's acceleration at Pluto is the same as its acceleration near Earth.
B) The spacecraft's acceleration at Pluto is slower than its acceleration near Earth.
C) The spacecraft's acceleration at Pluto is faster than its acceleration near Earth.
D) The relative acceleration cannot be determined with the information given.