Assertion: bicycle's rider | /r/CapableOf | reach speeds of 15 mph
Facets:
value: to 35 mph
type: OTHER
Source sentences:
text: Races take place on a motocross modeled track of 900 to 1,100 feet in length with riders reaching speeds of 15 mph to 35 mph, according to the conditions of the individual track and the skill levels of the riders.