As I observed on my computer, my Internet speed was 40Mbps (both download and upload).
First make a zip copy of the file or folder that you want to upload to Google Drive.
Then visit the following website.https://softgateon.herokuapp.com/speedupload/.
Otherwise you’re able to click Visit Website on the App page.
First it’s crucial that you add your Google Drive account.
Then you better Register folders from Google Drive.
you’re able to also create a new folder and add root folder also (My Drive).
after you grab registered the folder you require, you select that particular folder.
My Experience
For a 730MB file, it took roughly 7 minutes using my ISP speed.
I think, it is the maximum upload speed of Google Drive.