However, you might be asking about the fastest speed achieved by something else, like a vehicle or a particle. Here's a breakdown:
* Fastest object created by humans: The LHC (Large Hadron Collider) accelerates protons to almost the speed of light, reaching 99.9999991% the speed of light.
* Fastest spacecraft: The Parker Solar Probe is currently the fastest spacecraft, reaching a speed of 430,000 miles per hour (692,000 kilometers per hour).
* Fastest land vehicle: The ThrustSSC holds the land speed record at 763.035 mph (1,227.99 km/h).
It's important to remember that the speed of light is the ultimate speed limit in the universe, and nothing can travel faster than it.