The arch has a cable car that takes visitors to the top for breathtaking views of the city and the ocean.

VOA: standard.2010.02.10

You can see that if a was equal to g, your downward acceleration is that of gravity, namely the cable has snapped in the elevator, Then you don't feel any weight.

你会发现如果 a 等于 g,你下降的加速度就是重力加速度,也就是电梯的绳索断了,那时你会完全失重

耶鲁公开课 - 基础物理课程节选

and this I think only in the USA, New Orleans is the only other city that has cable cars.

并且在美国的其它城市中，除了新奥尔良市，没有第三个城市还有有线缆车了。

旧金山的公共交通 - SpeakingMax英语口语达人