How do you count syllables per second?
Record the time in milliseconds (ms). Divide by 1000 to convert to seconds (1000 ms = 1 sec). Report the number of syllables per second for each of the three utterances and then report the average.
Is it 1 or 2 syllables?
Let's look first at the combinations with the word is: he's, she's, and it's. These are all one-syllable words. Saying them as 2-syllable words is like not making the contraction at all.