xkcd.WTF!?

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Brakes

It was the funniest 6.5 seconds of my life, although as usual like 80% of it was just Tom and Ray's gasping, hacking laughter.

Explanation

A car's brakes fail on a winding mountain road. As a response, the driver calls a live radio phone-in show, overlooking the fact that he is in immediate danger and has no time to gather outside advice before improvising a solution. The driver fails to regain control of the car and plunges over a cliff.

If this ever happens to you,

  • Try pumping the brakes, it may rebuild enough pressure to slow you down
  • Downshift into second and then first gear, which should limit your vehicle's speed
  • Use your "emergency brake", it's not just for parking (this can damage it, but it's better than dying)[citation needed]
  • Otherwise, find a safe place to coast to a stop, if possible, or else
  • Try to wreck your car in a way that won't kill you, your passengers or any other road-users/bystanders. Aim for something that will slow you down before stopping you, like a gravel turnout or a stand of bushes.

http://www.wikihow.com/Stop-a-Car-with-No-Brakes

The title text refers to Tom and Ray Magliozzi who were the co-hosts of the weekly radio show Car Talk. It was a car advice/comedy radio show often aired on NPR stations. While there is some actual advice given on the radio show, it's presented as a comedy/entertainment show. Much of the show did involve the hosts "gasping and hacking" as they ask non-relevant questions of the callers and add their own commentary or relate other personal asides and stories.

Since he claims that he has 6.5 funny seconds, he must have connected with them way before going over the cliff. Because in 6.5 seconds a car would fall approximately 200 m (½*g*t^2, with g = 9.81 m/s^2, and t the time in seconds. This will give 207 m, but there will be a lot of air resistance). It is clear from the drawing that the car is still going almost straight out into the air, so it is still almost at the height where it left the road at quite a high speed (to get this far away without turning the engine down towards earth yet.) And the front of the car is just about 5 car lengths to the ground, which would make this a 10-15 m drop only (which would take less than 2 seconds to fall). But according to the comic it seems like he first connected with the show, just when the car has left the road...