click the flag to start, then again when prompted to do so also you can change the voice at the start; different voices naturally have different speeds. to try again, you can refresh the webpage i was fiddling around with speak+ ( https://scratch.mit.edu/projects/965758164/ ) due to @Captain_peanuts commenting on it when i realized this thing about the text-to speech extension that i thought was interesting enough to share this project does NOT use speak+ so that it can be simpler to understand and replicate