question #3 Sahih al-Bukhari 908, Book 11, Hadith 32 : What is the significance of walking calmly to join a prayer that has already started?

heard Allah’s Messenger (ﷺ)s (p.b.u.h) saying, “If the prayer is started do not run for it but just walk for it
calmly and pray whatever you get, and complete whatever is missed. ”