Which of these is a typical speed for a high-speed passenger train (such as the Eurostar or Shinkansen) travelling at its maximum cruising speed?
8.0 m s−18.0 \text{ m s}^{-1}8.0 m s−1
80 m s−180 \text{ m s}^{-1}80 m s−1
800 m s−1800 \text{ m s}^{-1}800 m s−1
8000 m s−18000 \text{ m s}^{-1}8000 m s−1