Truck / Trailer question?

Mine is a 1997 Ram1500, 4x4, 5.2 litre, extended cab. I tow a 26' enclosed trailer and the car. Weighs about 8,000 to 8,500 pounds. There are some big hills on the way to the track, I slow down to about 38 mph on the big hills, BUT I can still pass a chevy on the hills!!! :D :D 3399tn_100_0032.JPG3399tn_100_0083.JPG70,000 miles, original trany.....