Answer:
C
Explanation:
Lets go one step at a time.
This eliminates option A because, it continuous to speed up so therefore, option A is out.
- Next the approximately the same speed for the next 50 seconds
This does eliminates a option. It eliminates D because, it says approximately the same speed however, D is too sharp and straight.
- He speeds up for the next 15 seconds
This one eliminates option B because, it says Brian only speeds up once and that was at the beginning so therefore, option B won't work
- He slows down to stop in the next 10 seconds
I believe C would be correct is correct because, there isn't any other option and it fits everything
Therefore, your answer would be C.