Assertion: solar eclipse's duration | /r/HasProperty | depend on the difference
Facets:
value: between the speed of the plane
type: OTHER
Source sentences:
text: Since the duration of totality depends on the difference between the speed of the plane and the speed of the moon's shadow, we elected to fly north-west to meet the shadow, then turn and increase speed so that we would reach our maximum speed at 42,000 feet as the shadow overtook us and continue to climb, attaining 48,000 feet as the shadow left us. ^