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Whats the acceleration of an electron in lightning?

  1. Nov 22, 2011 #1
  2. jcsd
  3. Jun 24, 2012 #2
    I thought nothing can accelerate past the speed of light according to the theory of relativity. Why does using either one of those links suggest accelerations that lead to speeds greater than the speed of light even with less than 1 second of travel?
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