We usually recite either the pathologies or the cures once, meditating after each prayer for approx. two minutes or even more. At the end, meditate on the effect of all 9 prayers.
Remember to clean your Aura after doing the prayers of Pathologies.
You don't exactly need to vibrate, just reading them slowly is good.
Regarding pronunciation, the audio files are unavailable as of now, so just do your best and don't overthink. Pronunciation hint: think of them as Greek words.