As a rule of thumb, if the post get N upvotes, you get 100N+50 visits. YYMV.
The post has now 76 points in 40 minutes, so an average of (76*100+50)/40/60 ~= 3.2 that is close to your 4.9. But the peak may be much higher, like the 20/s reported by other users.
The post has now 76 points in 40 minutes, so an average of (76*100+50)/40/60 ~= 3.2 that is close to your 4.9. But the peak may be much higher, like the 20/s reported by other users.