She talked about five different kinds of pacing and the pros and cons of each:
Narrative summary races along (narrative summary is also much more tell than show, but she talks about when that’s appropriate)
Dramatic action runs almost as fast
Dialog reads slower than dramatic action
Factual exposition crawls (this is something one of of my line editors calls me on - she calls it being too “Wiki” - and again, Chester talks about the right time and place for it)
You can read the article here.