Zhang feeds need for greater speed

Former sprinter adjusting to switch from track to skeleton

Once one of China's fastest sprinters, Zhang Peimeng is finding new ways to accelerate his adrenalin after switching to skeleton.

Over a 13-year career on the track, the 31-year-old Zhang blossomed into a world-class threat in the 100m, but when it comes to hurtling head-first down a frozen pipe on a flimsy metal frame at speeds approaching 140 kp/h, he's still on the back edge of the learning curving.