&gt; Above the Karman Line (62mi&#x2F;100km up), the air is thin enough that there barely any air resistance. I<p>On the contrary, even at the altitude of the ISS there is sufficient atmosphere to reduce its velocity by around 5 metres &#x2F; hour under normal conditions.  Particle density at 400 km altitude is 10E+15 particles &#x2F; cubic metre ( about a billion times less than at sea level ( but much more at times of Solar flaring.<p>The ISS makes a sonic boom which propagates to the ground, it&#x27;s just incredibly weak.