translation.en: Now, at the standard rate of fuel consumption, I would like to see the computer trace the flight path of this rocket and see how it can determine, at any instant, say at the end of 40 seconds, the amount of fuel remaining, and the velocity at that set instant.
translation.zh: 现在，我们燃油消费标准 我很愿意通过电脑来看火箭的飞行线路 来看看他怎样决定的，在任何时刻 说在最后40秒，剩下燃油的总量 在那瞬间的速率