To adjust your Mac's mouse or trackpad to scroll faster, click on the Apple menu → Click on "System Preferences" → Click on "Accessibility" → Click on "Mouse & Trackpad" → Click on "Trackpad Options" and adjust scroll speed → Then, click on "Mouse Options" and adjust scroll speed.
Using Accessibility Menu
Click on the Apple menu.
It’s the black, apple-shaped icon in the upper-left of your screen.
Click on System Preferences.
Image:Scroll Faster on a Mac Step 2.jpg
Click on Accessibility.
It’s in the lower right of the preferences window.Image:Scroll Faster on a Mac Step 3.jpg
Click on Mouse & Trackpad.
It’s in the left pane of the dialog box.
Click on Trackpad Options.
Click on the scrolling speed slider.
Adjust the slider toward “fast” to speed up scrolling on your Mac.Image:Scroll Faster on a Mac Step 6.jpg
Click on OK.
Click on Mouse Options.
Click on the scrolling speed slider.
Adjust the slider toward “fast” to increase your Mac’s scrolling speed.Image:Scroll Faster on a Mac Step 9.jpg
Click on OK.
You’ve now made your Mac scroll faster.
Trackpad
Click on the Apple menu.
It’s the black, apple-shaped icon in the upper-left of your screen.
Click on System Preferences.
Image:Scroll Faster on a Mac Step 12.jpg
Click on Trackpad.
It’s in the center of the preferences window.Image:Scroll Faster on a Mac Step 13.jpg
Click on Point & Click.
It’s near the top of the dialog box.
Click on the tracking speed slider.
Adjust the slider toward “fast” to increase the scrolling speed.
Click on OK.
You’ve now made your Mac scroll faster.Image:Scroll Faster on a Mac Step 16.jpg
Mouse
Click on the Apple menu.
It’s the black, apple-shaped icon in the upper-left of your screen.
Click on System Preferences.
Image:Scroll Faster on a Mac Step 18.jpg
Click on Mouse.
It’s in the center of the preferences window.
Click on Point & Click.
It’s near the top of the dialog box.
Click on the scrolling speed slider.
Adjust the slider toward “fast” to speed up your Mac’s scrolling.
Click on OK.
You’ve now made your Mac scroll faster.Image:Scroll Faster on a Mac Step 22.jpg