Calculate acceleration: Mr. Barrentine's dog, Razorback was at rest and ran 40 meters to catch a rabbit. Razorback ran the 40m in 8 seconds. What is his acceleration?
Group of answer choices
A. 5 m/s/s
B. 32 m/s/s
C. 48 m/s/s
D. 320 m/s/s