If it's a Redeye, the car is capable of spinning the tires at 80-90 mph. I've spun my tires many times at 75 to 80 on a cool day going up a slight hill nearby my house. Under certain conditions, if the rear tires are spinning, the rev-limiter will intervene and kill power for about a half second to protect the engine from over-revving.
Or, it could have been traction control intervening to correct a spinning tire. Regardless, it feels like an abrupt jolt to the power, ie., a total loss of power for about a half second and then it upshifts and instantly recovers. Mine did it quite often at speeds less than 50-60 until I learned to roll into the throttle instead of slapping it. However, at 80 I'll typically slap the throttle and it will just accelerate, but if it's a cool day on a road with not great grip, it'll spin.