yesterday I got over 50kph on the brick road sloping down in Duno zomg. 52.8 km to be precise. And I'm not even really trying, as I'm dead scared most of the time because the road is like the letter
M inclined down a hill's slope. Ie there are some points where you can't see what lies ahead, and this being Holland there is a good chance that some old lady will be smack bang in the middle of the road walking her dog, or better, her great-grandchild, which you will promptly hit, split in half, then...