can someone help with problem i am really struggling with it

a) options - free fall, linear motion, length, non-linear acceleration, instantaneous velocity

The coordinate of an object is given as a function of time by a (t) = 50t + 1.5t , where x is in meters and t is in seconds. What is the average velocity over the interval from t = 0 8 to t = 6 8? Identify the overarching concept (0.25 marks) Which concept most relates to this question? Linear Motion List Knowns and Unknowns (0.25 marks) Write the known values or 'unknown' for the variables given in the question Tip: This is prior to solving. ti Answer interpreted as: tf 8 Answer interpreted as: m. Answer interpreted as: m Answer interpreted as: Vavg m/$ Answer interpreted as: Identify the most relevant equation/s (0.25 marks) Which equation is best suited to solve this problem: Equation rearrangement and simplification (0.25 marks) Rearrange and Simplify (no: #, A, () this equation with the question information, using algebraic variables where possible: Vavg = Tip: Check your last answer is interpreted correctly and isn't flagged as invalid below. Final solution including significant figures (0.5 marks) Evaluate the answer to two significant figures where possible Vavg = m/s Tip: Try to round only at the last step and check the units match your answers