A man entered the prayer and the imam bowed, so he recited al-Fatihah and caught the bowing with the imam. What is the ruling?

Question : Shaykh, may Allah bless you. A man entered the prayer, and the imam was reciting. After the man entered, the imam bowed. So, it became known to this man that the imam prolongs the bowing, so he recited al-Fatihah and caught the bowing.

Answer : There is nothing wrong with it.