Musannaf Ibn Abi Shayba 3:5031

Ma'n ibn 'Isa narrated to us, from Khalid ibn Abi Bakr, from Bahiyyah, the nursemaid of the children of 'Abdullah: She said: I heard 'Ubaydullah say: I heard the iqamah, so I hurried. I passed by 'Ali ibn al-Husayn while I was hurrying. He pulled my garment and said: "Walk at your own pace."