I believe you'll develop speed via strength work which includes hill running either repeats or running hilly courses as the Kenyans do on a steady basis.
Sweater n.: garment worn by child when its mother is feeling chilly.
I grew up in a very old-fashioned Roman Catholic Italian-Irish family in Philly.
Words to me were magic. You could say a word and it could conjure up all kinds of images or feelings or a chilly sensation or whatever. It was amazing to me that words had this power.