This is a community for people who have home servers. 100M is fine for a couple people just web browsing, but that’s not the topic of this discussion.
I run 10G between my desktop and my server because I can easily saturate a 1G connection doing a simple file transfer.
It would stretch like a rubber band stretches just a lot less. Wood, metal, whatever is slightly flexible. The stick would either get slightly thinner or slightly less dense as you pulled it. Also, you won’t be able to pull it much because there’s so much stick.