Dana went bowling. The first ball she bowled left her hand at a speed of about 13 miles per hour. If the graph above represents the speed of Dana's bowling ball over time, which of the following statements best describes the speed of the bowling ball?
A.
The speed of the bowling ball decreased slowly at first and then more rapidly.
B.
The speed of the bowling ball increased quickly at first and then more slowly.
C.
The speed of the bowling ball decreased quickly at first and then more slowly.
D.
The speed of the bowling ball increased slowly at first and then more rapidly.