Find the average velocity of the vehicle over the following time intervals: [2, 2.1], [2, 2.01], [2, 2.001], [2, 2.0001]. Round each answer to six decimal places.
a) 0.000000 m/s
b) 0.100000 m/s
c) 1.000000 m/s
d) 10.000000 m/s