What separates the madd in «يُرَاءُونَ» and «وَمَا أَدْرَاكَ»?

Al-Māʿūn and Al-Humazah: Applied Assimilation, Concealment, Madd and Hāʾ Rules

• The hamzah is within one word in the first, across words in the second
• The first has no madd letter
• The second has doubled nūn
• Both only have pausal madd