SortStack #1996 — 2031-11-26

By speed · Order from slowest to fastest.

1. The growth of a cave stalactite 0.1 mm/year

   Most stalactites lengthen by less than a tenth of a millimetre a year, dripping mineral by mineral over millennia.

2. A running pig 17 km/h

   Pigs are smarter than dogs by many measures, able to learn their names and even play simple video games.

3. An electric scooter 25 km/h

   Shared e-scooters exploded across cities in just a few years, becoming a common sight on sidewalks worldwide.

4. A galloping racehorse 88 km/h

   All thoroughbred racehorses descend from just three stallions imported to England centuries ago.

5. A golden eagle in a dive 245 km/h

   A golden eagle can spot a rabbit from over three kilometres away, then fold its wings into a lethal stoop.

6. A Formula 1 car at top speed 372 km/h

   An F1 car generates so much downforce it could, in theory, drive upside down on a ceiling at speed.

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