Assertion: jockey's horse | /r/CapableOf | move at 40 mph
Facets:
Source sentences:
text: Despite their light weight, they must be able to control a horse that is moving at 40 mph (64 km/h) and weighs 1,200 lb (540 kg).[citation needed]
text: Jockeys must be able to control a horse that is moving at 40 mph and weighs about 1,000 lbs.