Assertion: meteoroid | /r/CapableOf | appear as average speed
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Source sentences:
text: In their book "Observe Meteors: The Association of Lunar and Planetary Observers Meteor Observer's Guide" (Astronomical League, 1986), authors David Levy and Stephen Edberg wrote of the Eta Aquarids: "These meteors appear as fast streaks (average speed, 41 miles or 66 km/sec).