You&#x27;re right not to trust your intuition!  Good call.<p>It&#x27;s actually going to be much, much less than that due to the nature of the rocket equation.  <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Tsiolkovsky_rocket_equation" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Tsiolkovsky_rocket_equation</a>