Assertion: discus | /r/HasProperty | delivered by elite thrower
Facets:
Source sentences:
text: Science has determined that a discus delivered by an elite thrower at the optimal angle into a head wind with a velocity of approximately 20 mph (32 km/h) will receive the additional effect of air speed passing over the discus and the resultant lift created that will produce a throw that travels 25 ft (8 m) further.