NSFW – as in, it’s not safe to light tennis balls on fire at work. For the love of Pete, please do not try this anywhere. 

The ultra popular  are back with an Olympics themed video. They soaked a tennis ball in gasoline, lit it one fire, and served, all under the watchful eye of the 2500 frames per second capable .

The results are simply glorious, and the video is naturally already making the rounds.