Look at that acceleration! A whole train disappears in like 12s.

Half the comments are like “Wow! Fast!” and the other half are like “Is it your first time seeing a train, you idiotic American??”

My first thought was "this guy's probably American" and I was proven right.

Lot of assumptions going on.

You would love the tube in London, most Tube trains accelerate like that, especially the deep level lines like the Victoria line

I do love the tube!

That's a normal underground train in Berlin. What is so impressive about it?

The acceleration.

Is this your first time on an underground

Nope!

They are great vehicles! But this acceleration is totally normal for metros around the world