A 1800-Kg Jeep Travels Along a Straight 500-M Portion of Highway

Multiple Choice

A 1800-kg Jeep travels along a straight 500-m portion of highway (from A to B) at a constant speed of 10 m/s. At B, the Jeep encounters an unbanked curve of radius 50 m. The Jeep follows the road from B to C traveling at a constant speed of 10 m/s while the direction of the Jeep changes from east to south.
-What is the magnitude of the acceleration of the Jeep as it travels from B to C?

A) 2 m/s²
B) 5 m/s²
C) 10 m/s²
D) 20 m/s²
E) zero m/s²