SortStack #2150 — 2032-04-28

By speed · Order from slowest to fastest.

1. A swimming seahorse 1.5 m/h

   The dwarf seahorse is the slowest fish on record, fluttering a tiny fin dozens of times a second to barely move.

2. A manatee cruising 4.3 km/h

   Manatees are gentle plant-eaters so buoyant they use their heavy bones as ballast to keep from floating up.

3. A person jogging 10.8 km/h

   Humans are among the best endurance runners on Earth, able to outlast horses over very long distances in heat.

4. A speeding hovercraft 145 km/h

   A hovercraft floats on a cushion of trapped air, gliding equally well over water, land, ice and mud.

5. A racing snowmobile 190 km/h

   Snowmobiles can cross frozen lakes so fast they sometimes skip right across patches of open water.

6. The winds of a violent tornado 480 km/h

   The strongest tornado winds ever measured can strip bark from trees and drive straw into solid wood.

← All puzzles · Play today’s SortStack