SortStack #925 — 2028-12-20

By speed · Order from slowest to fastest.

1. A three-toed sloth 240 m/h

   Sloths move so slowly that algae grows in their fur, giving them a greenish camouflage in the canopy.

2. A red fox 51 km/h

   Foxes may use Earth's magnetic field to aim their pounces, lining up on prey hidden under snow.

3. 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.

4. The land-speed record car 1.2K km/h

   ThrustSSC became the first car to break the sound barrier, its twin jet engines kicking up a desert dust storm.

5. A bullet from a .357 Magnum 1.5K km/h

   A supersonic bullet creates a tiny sonic boom, which is part of the sharp crack you hear from a gunshot.

6. Concorde at cruising speed 2.2K km/h

   Concorde flew so fast that the friction heated its frame, stretching the whole plane several inches in flight.

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