While viewing videos, you have the option to speed up or slow down what you are watching. The speeds will vary from 0.5x, 0.75x, Normal, 1.25x, 1.5x, 1.75x, 2x, or 4x.
To change the video speed:
Navigate to the player and locate the gear icon
Then click on Speed
Select the desired speed
Selected video speed will apply to the video when the play button is clicked.