B. Senator Akunin. ~I can't submit it unless it's 20 characters long so ignore this entire sentence~
The first one has the correct capitilization.
The speed and accleration of a car travelling in reverse and in the normal direction is the same. Therefore the measurement of its speed is still done using the metric system or via miles per hour (mph).
D: it is a book because most information in books are more truthful then the web/ internet.
