Assertion: ostrich | /r/CapableOf | keep up this speed
Facets:
value: to 30 miles per hours
type: TEMPORAL
value: long time
type: TEMPORAL
Source sentences:
text: He can run with 65 km/h and he can keep up this speed bery long time.
text: Ostriches can run for hours while maintaining its speed to 30 miles per hours (48 km/h).
text: What's more, an ostrich can maintain this speed for up to half an hour.