These 2 videos are recorded by the same camera on the same track at Circuit de Spa-Francorchamps, Belgium. The only difference - the first video is a regular track day of your weekend warriors and the second one features a Formula 1 event. Watch the first video and then the second so you could perceive the real speed of Formula 1 by comparison, it's amazing how much faster it is.
Spa Francorchamps Trackday - Goldtrack 29.06.09. Gumpert Apollo, 911 Cup, Radical, Ultima, Caterhams, Lotus
Grand Prix Spa Francorchamps au Raidillon de L'Eau Rouge
[Source: Chicane Culture]