If a ball is thrown vertically upwards with speed u, the distance covered during the last ‘t’ seconds of its ascent is:

• A

  $\mathrm{ut}$

• B

  $\frac{1}{2}{\mathrm{gt}}^2$

• C

  $\mathrm{ut}-\frac{1}{2}{\mathrm{gt}}^2$

• D

  $\left(\mathrm{u}+\mathrm{gt}\right)\mathrm{t}$