Rob Grover: Friction really starts to build up on the spacecraft, and we use the friction when it's flying through the atmosphere to our advantage to slow us down.
Rob Grover：航天器会与大气产生空气摩擦阻力 利用飞越大气层时的空气摩擦力减速。 利用飞越大气层时的空气摩擦力减速。