HAWTHORNE, Calif. (Reuters) - Tesla Inc ( TSLA.O ) upstaged its own debut of an electric heavy duty truck on Thursday when a red Roadster pulled out of the big rig’s trailer and Chief Executive Elon Musk said the new $200,000 sports car would be the fastest production car ever. Tesla CEO Elon Musk unveils the Roadster 2 during a presentation in Hawthorne, California, U.S., November 16, 2017. Tesla/Handout via REUTERS The showmanship wowed the crowd although some analysts’ heads started throbbing at the variety of new projects launched as the company is struggling to produce the more affordable sedan upon which its future depends. As the presentation appeared to end, the Tesla Semi opened its trailer, and the Roadster drove out. The sports car with a removable glass roof is an updated version of Tesla’s first production vehicle. It can seat four and travel 620 miles (1,000 km) on a single charge, a new record for an electric vehicle, Musk said. It can go from 0 to 60 miles...