Seeing this problem of Hanuman, Vayudev acquired angry. He stopped his speed at that instant. Resulting from this, no creature in the world could breathe, and all began to undergo in agony. As astrologers claim, Lord Hanuman would be the source of power and courage, hence chanting the Hanuman mantra https://directoryhand.com/listings13180354/the-2-minute-rule-for-hanuman-chalisa