It popped up a message saying "Hold shift to increase acceleration". But I got the feeling that I was playing it wrong if I went far above 40 mph, so the shift

It popped up a message saying "Hold shift to increase acceleration". But I got the feeling that I was playing it wrong if I went far above 40 mph, so the shift key seems perfectly useless. Lovely countryside -- very evocative of winding country roads in the southern or midwestern USA -- but I get stressed out when driving even in a simulation; real world driving is worse, so I'm not feeling the "zen".