As for sound, the cars will actually be louder than the averageroad car.
2
You want to get from A to B and to negotiate the averageroad.
3
The lowest gear is about equal to the upper-middle gear on an averageroad bike.
4
I appreciate that cyclists are more vulnerable than the averageroad user, but their general behaviour does not endear them to either pedestrians or motorists.
5
It will be fair now to take the average of these two, or 59.4 horse power for an averageroad.