Complex sentence: It earned more than 5 million views on YouTube in less than 24 hours since its release and set a new record in only 40 hours, making it the fastest K-pop group music video to reach 10 million views.
Split into simpler sentences: It earned more than five million views on YouTube in less than 24 hours since its release. It then set a new record in only 40 hours, making it the fastest K-pop group music video to reach ten million views.