Using integration, we are able to determine the length of a curve between two points. Here is the link to the pdf file used in the video. https://drive.google.com/file/d/1srZmgfa-tLqMlpd8xEGBYFP32pstA7cJ/view?usp=drive_link
Right-click 'Download' and select 'Save Link As' if the file opens in a new tab.