If the object starts moving from point A and continues along a straight path from point A to point D, which of the following is true?
a
In the interval from point C to point D, the object travels 0 m.
b
In the interval from point A to point D, the object travels 11 m.
c
In the interval from point A to point B, the object travels 30 m.
d
In the interval from point B to point C, the object travels 30 m.