A particle is moving with acceleration a ( t ) = 30 t + 4 a ( t ) = 30 t + 4 . its position at time t = 0 t = 0 is s ( 0 ) = 3 s ( 0 ) = 3 and its velocity at time t = 0 t = 0 is v ( 0 ) = 11 v ( 0 ) = 11 . What is its position at time t = 15 t = 15 ?