SortStack #3347 — 2035-08-08

By speed · Order from slowest to fastest.

1. A slowly marching sand dune 20161.8 mm/year

   Wind pushes desert dunes forward grain by grain, swallowing roads and even villages over the decades.

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 sprinting cockroach 5.8 km/h

   A cockroach can survive for weeks without its head, breathing through tiny holes along its body.

4. 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.

5. An IndyCar on an oval 390 km/h

   IndyCars on superspeedways run flat-out for hours, with drivers enduring forces that strain the neck lap after lap.

6. An F-22 Raptor at top speed 2.4K km/h

   The Raptor can supercruise, flying faster than sound without afterburners, sipping less fuel as it streaks along.

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