Here you can find a video of a gunboat62 catamaran quickly overtaking a R/P 80 monohull that is moving along at about 18 knots. The cat is estimated to be moving at nearly 30 knots.
Go here, then click on the "click here" button.
direct link to the video

Make sure the sound is turned up ! !
Song "Wipe out"
Artist "The Safaris"
Boat name "Safari"

This should give you smile.
GARY