If he catches up with the imam when he is bowing, what should he do?

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Check below answers in case you are looking for other related questions:
Al-Faatihah is waived for the person praying behind the imam in two cases
Following the imam in prayer

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Related Answers:
He prayed on his own and leading others when he was junub; what does he have to do?
Can the one who comes late to the prayer pull back the person who is standing next to the imam if he is bowing, or should he just stand next to him?
It is difficult for him to pray qiyaam because of his work situation and because he is a heavy sleeper
Al-Faatihah is waived for the person praying behind the imam in two cases
Following the imam in prayer

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