A Car Is Traveling North at 1 $14.1 \mathrm {~m} / \mathrm { s }$

Multiple Choice

A car is traveling north at 1.77m/s.After 12 s its velocity is $14.1 \mathrm {~m} / \mathrm { s }$ in the same direction.Find the magnitude and direction of the car's average acceleration.

A) 0.30 m/s², south
B) 2.7 m/s², south
C) 0.30 m/s², north
D) 2.7 m/s², north