You can adjust the speed of the audio in the following way:
iOS
1. From the For You screen, tap on My Library.
2. Tap on the title you'd like to listen to.
3. Select "Play Blinks".
4. Tap on the speed icon indicated by 1.0x beneath the play/pause button until you reach the desired speed.
Android
1. Tap on My Library.
2. Click on the title you'd like to listen to.
3. Select "Play Blinks".
4. Tap on the speed icon indicated by 1.0x beneath the play/pause button, until you reach the desired speed.
Website
1. Select the title you'd like to listen to.
2. Tip or click on the speed icon indicated by 1.0x beneath the play/pause button, until you reach the desired speed.