When it comes to danger, nothing compares to speed skiing. Despite all the risks, Graham Bell will attempt to reach 200kph on the world championship course - nearly twice the British road speed limit. In a quest for speed, Ed Leigh then turns to Shelley Rudman, Olympic silver medallist in the bob skeleton, to see just how fast he can travel. Shelley and World Champion Kristan Bromley have just two days to get Ed in shape and down one of the most challenging and dangerous tracks in Europe.