(a(i))[1]
Calculate the speed of the train from 0700 to 0730.
(a(ii))[3]
Calculate the average speed for the entire journey.
(b(i))[3]
Calculate the value of $V$.
(b(ii))[2]
Calculate the acceleration of the train during the first 5 minutes. Give your answer in $\text{m s}^{-2}$.