Sayyidah Aishah (may Allah be pleased with her) says that the Messenger of Allah (peace and blessings be upon him) did not speak continuously and rapidly the way you do; rather, there were pauses in his (peace and blessings be upon him) speech and it was so clear that the listener would memorise it.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الجمعة / 5757