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Nov 23rd, 2017
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  1.  
  2.  
  3. v = u + at
  4. t = (v - u)/a
  5.  
  6. v = c ≈ 3 * 10^8 ms^2
  7. u = 0
  8. a = 9.81 ms^2 ≈ 10
  9.  
  10. t ≈ 3 * 10^8 * 10 = 3 * 10^9 seconds
  11. t ≈ (3 * 10^9) / 60 / 60 / 24 / 365 years
  12. t ≈ 95 years
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