3 ms·

Better title: "Show HN: We put an iPhone on the front wheel of a car and drove really slowly for less than 10 seconds at a time"

• Raphmedia 12y ago
  50 km/h is fast enough for this experiment if you ask me.
• sukuriant 12y ago
  614 revolutions per minute on the tire, assuming a 17" wheel, is still pretty impressive.