You can see that from about midnight to around 5:18 in the morning, speed increases, and at that point, things turn around, and they get slower and slower and slower until about 8:35 in the morning, when they end up at around 11 and a half miles per hour.
你会发现从午夜到凌晨5点18分， 速度在增加，到了这个点后， 接下来就不一样了， 速度越来越慢直到早上8点35分， 这时候出租车的时速 只有每小时11.5英里。