SortStack #1751 — 2031-03-26

By speed · Order from slowest to fastest.

1. A garden snail 50 m/h

   A snail can sleep for up to three years during droughts, sealing itself inside its shell until rain returns.

2. A domestic cat at full sprint 49 km/h

   A house cat can outsprint many dogs over short distances, but tires quickly after the burst.

3. A luge slider 140 km/h

   Luge athletes steer a tiny sled with subtle leg and shoulder pressure while lying on their backs, feet first.

4. A Cessna light aircraft 220 km/h

   The Cessna 172 is the most-produced plane in history and the trainer that taught millions of pilots to fly.

5. NASA's X-43 scramjet 11.9K km/h

   The X-43 set an air-breathing speed record by burning fuel in a stream of air rushing through it many times faster than sound.

6. NASA's Parker Solar Probe 692K km/h

   The fastest human-made object ever, it slingshots around the Sun, dipping into the star's blazing outer atmosphere.

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