It‘s looking ahead quite a bit, but we should also keep in mind that in book 5 we‘ll find out that Denethor had the last word on who came on the errand to Imladris. I would like to ascribe some of Boromir’s eagerness to his own noble motives but I think the ultimate decision was likely...
I love the data here: well done!
That late spike in the forecast time plot seems ominous. It doesn’t seem like there’s any reason to think we’ll accelerate in Book 2.