10 of the fastest things ever and how they compare
https://www.guinnessworldrecords.com/news/2022/7/10-of-the-fastest-things-ever-and-how-they-compare-711669
WebJul 29, 2022 · Fastest speed possible. There aren’t many unbreakable Guinness World Records titles, but this is one of them. The fastest speed possible is the speed of light in a vacuum, where its velocity is 670,616,629 mph (1,079,252,848 km/h), equivalent to 10,337,670 cheetahs, 5,082 of the planet Mercury, or 12.5 S4714 stars.
DA: 22 PA: 97 MOZ Rank: 73