Ross Gerber, President and CEO of Gerber Kawasaki Wealth and Investment Management and a Tesla Inc (NASDAQ:TSLA) bull and investor, expressed skepticism on Wednesday regarding the feasibility of the new specifications announced by Tesla CEO Elon Musk for the company’s new Roadster. What Happened: During an interview with the Schwab Network, Gerber expressed doubts about the feasibility of achieving a rapid acceleration of 0-60 mph in less than a second, citing potential discomfort for the driver and other risks. “The car will lift off the ground and get airborne,” he said, due to the absence o…