The phrase "electronic speed" refers to how quickly electronic devices or systems can process or transmit information, data, or signals. It means the ability of electronics to work at a very fast pace. Full definition
Applying gradual pressure to electronic speed control pedal will give you the best acceleration. (carsdesk.com)
It's also powerful enough to warrant fitment of the familiar 155mph electronic speed limiter. (autocar.co.uk)
The story began, «One of the war's top secrets, an amazing machine which applies electronic speeds for the first time to mathematical tasks hitherto too difficult and cumbersome for solution, was announced here tonight by the War Department.» (fortune.com)