translation.en: You saw in the video a parachute breaking. That would be a bad day, you know, if that happened, so we have to test, because we are deploying this parachute at supersonic speeds.
translation.zh: 您看视频中降落伞撕裂。那是糟糕的一天， 如果发生了这个，我们就需要测试， 因为我们要在超音速的情况下打开降落伞。