Assertion: box jellyfish | /r/CapableOf | reach the speed
Facets:
value: at 4 knots
type: OTHER
value: at 4.6 miles per hour
type: OTHER
Source sentences:
text: When the box jellyfish hunt their prey, they can reach the speed at 4 knots or 4.6 miles per hour or 1.5 till 2 meter per second.