SortStack #2381 — 2032-12-15

By speed · Order from slowest to fastest.

  1. An Olympic swimmer at full speed 9.3 km/h

    Top swimmers shave their bodies to cut drag, trimming fractions of a second that can decide a gold medal.

  2. A koala on the run 30 km/h

    Koalas sleep up to 22 hours a day because their eucalyptus diet is so low in energy and mildly toxic.

  3. 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.

  4. A racing greyhound 76 km/h

    Greyhounds reach their top speed in just a few strides and spend much of a sprint completely airborne.

  5. An ice hockey slapshot 178 km/h

    A slapshot flexes the stick like a spring, snapping stored energy into the puck for a brutal release.

  6. 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.

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