The bullet train in Japan takes 1.55 hours to travel 341 kilometres from Tokyo to Nagoya.
By rounding these numbers correct to 1 significant figure, find an estimate of the speed of the bullet train. Show the numbers you use.[1]
Without doing any further calculation, explain why the actual speed is faster than the answer to part (a).[1]
The actual speed of a bullet train is \(227\text{ km/h}\). Change \(227\text{ km/h}\) into metres per second.[1]