Shakespeare's use of iambic pentameter a rhythmic form of speech is associated with which of aristotles elements of drama?

Music. However, it is not music in today's sense. It is music in terms of rhythm, as iambic pentameter (five feet, each of them containing an unstressed and stressed syllable) has a very distinctive rhythm to it. The other 5 Aristotelian elements of drama are plot, character, diction, thought, and spectacle.