Now you just need to find flatwater and strong wind, sheet in, bear off the wind and here you go !
The speed in the video is from the GoPro.
The reals speeds from my GW-60 track processed with GPS action replay are :
Max speed on 1s : 46 kts
Max speed on 10s : 44.5 kts
Max speed on 500m : 42 kts
I totally agree with Tone, crashing at 40-45 kts on a speed board is nothing compared to crashing a 30-35 kts on a foil !