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68 times the speed of light is about 500,000 times as fast as a Meteor
In other words, it's 490,000 times the speed of a Meteor, and the speed of a Meteor is 0.0000020 times that amount.
(formally Meteoroid or meteorite, depending on the context; a.k.a. "shooting star", a.k.a. "falling star")
Small meteoroids enter the Earth's atmosphere at speeds between 0.0000370 times the speed of light and 0.00024 times the speed of light, depending on their size. The fireball effect, known as ablation, ceases once the atmosphere has slowed the meteoroid to a velocity of about 0.00000930 times the speed of light.
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