Here's the video - it is in the middle (around 8.00min mark) of this somewhat convoluted but enjoyable video mix. There's even a better incident at 10mins with a surfer and Ski at Teahupoo
That sail is a 40th anniversary special "Zone". NP released these a little after the rest of the 2011 range after there was a lot of noise made by Zone owners (including me) when they dropped it from the 2011 line up.