The graph depicts the motion of a sprinter. She speeds up uniformly from rest to $8.0\,\text{m s}^{-1}$ in $4.0\,\text{s}$. What distance does she cover during the final three seconds of her acceleration?
- A$9.0\,\text{m}$
- B$15\,\text{m}$
- C$16\,\text{m}$
- D$24\,\text{m}$