SortStack #1135 — 2029-07-18

By speed · Order from slowest to fastest.

  1. A sea turtle cruising 3 km/h

    Sea turtles can hold their breath for hours while resting, slowing their heart to a beat every few minutes.

  2. A casual cyclist 12.5 km/h

    The bicycle is one of the most efficient machines ever made, turning muscle into distance better than walking.

  3. A running gray wolf 57 km/h

    Wolves can travel over 30 kilometres in a single day while hunting across their vast territories.

  4. 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.

  5. A racing snowmobile 190 km/h

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

  6. A 5.56mm rifle bullet 3.1K km/h

    Small, fast rifle rounds tumble on impact, transferring energy in ways a slower, heavier bullet would not.

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