Per
https://thecyclistchoice.com/resourc...da-ebike-laws/
Speed Limits: Riders must adhere to the speed limitations set for each eBike class. I take this to mean that if the bike is capable of 28 MPH (Class 3), then it is legal to do that speed. I've had mine up to 30, but it takes a bit of work to get it there.