A driver finds that her car will descend the slope θ1 = 3o at a certain constant speed w...

A driver finds that her car will descend the slope θ₁ = 3^o at a certain constant speed with no brakes or throttle required. The slope decreases fairly abruptly θ₂ to at point A. If the driver takes no action but continues to coast, determine the acceleration a of the car just after it passes point A for the conditions