What is the mathematical description of a moving boat as shown in table 1?

Time (s) 0 30 60 90 120
Velocity (m/s) 0 5 10 15 20

A. The boat traveled with a displacement of 2400 m.
B The boat traveled with a total distance of 140 m.
C. The boat is moving with increasing acceleration.
D. The boat is moving with a constant acceleration of 2.5 m/s.​