Which row gives sensible estimates for the mass and the speed of an adult running?
- A$6 \times 10^0\,\text{kg},\;5 \times 10^1\,\text{m s}^{-1}$
- B$6 \times 10^1\,\text{kg},\;5 \times 10^0\,\text{m s}^{-1}$
- C$6 \times 10^1\,\text{kg},\;5 \times 10^1\,\text{m s}^{-1}$
- D$6 \times 10^2\,\text{kg},\;5 \times 10^0\,\text{m s}^{-1}$