(CW: pedantry) Well actually, “speed up” is a phrasal verb that is semantically distinct from “speed”. https://en.m.wikipedia.org/wiki/English_phrasal_verbs h

(CW: pedantry) Well actually, “speed up” is a phrasal verb that is semantically distinct from “speed”. https://en.m.wikipedia.org/wiki/English_phrasal_verbs https://en.m.wikipedia.org/wiki/English_phrasal_verbs But that all’s irrelevant because this article uses verb definition 5 from Wiktionary for “speed”: > (transitive) To increase the rate at which something occurs. https://en.m.wikipedia.org/wiki/English_phrasal_verbs https://en.m.wikipedia.org/wiki/English_phrasal_verbs