Perfect! Jerry covers $$20 \, \mathrm{m}$$ in $$2 \, \mathrm{s}$$, so, his speed is $$10 \, \mathrm{m/s}$$. Whereas in the other cases, his speed was lower.
If an object's speed is $$30 \, \mathrm{km/h}$$, in what direction is it moving?