The Massapequa Fire Department and the Nassau County Police Department will conduct the first-ever Motor Vehicle Accident Simulation of its kind on Long Island to 1,200 high school students on the football field of Massapequa High School on Friday, April 15 at 1 p.m.   With Senior Prom and other festivities on the horizon, this timely and extremely “sobering” event is expected to “shock and awe”…