2017 NISSAN JUKE Power Train Problems

This has happened several times in the couple months ive owned the car, the scariest incident involving the transmission slipping and the car losing power was after having to stop on the shoulder of i95 highway this was the first time i had even given it more than the reasonable rate of pedel pressure or "gas" and im expecting to get up to speed to merge back into the flow of traffic however right at 45-50mph as im merging into the far right lane of the highway the engine just screams out and rpms max out the car slows rapidly. This is becoming more and more frequent and also theres times we take for granted when we need that engine to work to either get out of an intersesction, merge into traffic, use the cars power as a preventative measure to stay safe in various environments. Driving through baltimore city,...