•1. A given
vowel is longest in an open syllable, next longest in a syllable closed by a voiced consonant, and shortest in a syllable closed by a voiceless consonant.
•
•2. Other
things being equal, vowels are longer in stressed syllables.
•
•3. Other
things being equal, vowels are longest in monosyllabic words, next longest in words with two syllables, and shortest in words with more than two syllables.
•
• speed speedy speedily