The acceleration of a particle as it moves along a straight line is given by a (2t 1) m/s2, where t is in seconds. suppose that s7 m and v 8 m/s when t0 part a determine the particle's velocity when t6 s express your answer to three significant figures and include the appropriate units. value units submit part b termine the particle's position when t 6 express your answer to three significant figures and include the appropriate units. svalue units submit partc determine the total distance the particle travels during the 6-s time period express your answer to three significant figures and include the appropriate units