Which statement provides the most complete description of an object's motion? The bird-watcher followed the south trail a distance of five kilometers in 45 minutes.

The mixer blended the ingredients for the cake in under two minutes.

The golfer sent the golf ball flying toward the cup to score a hole-in-one.

The lion had to run at 30 km per hour across the savannah to catch its prey.

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Answertraveling around a circular trackexplanation"traveling around a circular track" is the best answer as you could be traveling around a circular track at a constant speed. your velocity would therefore have the same magnitude but will always be constantly direction. since acceleration is the rate of change of velocity, the rate of change will only involve the direction of velocity and not the magnitude.wrong choices: "an object at rest" does not accelerate at all"increasing speed while traveling around a curve" means that the acceleration will not be constant due to only change in direction; it will be constant due to both magnitude and direction"an object in free fall" does not necessarily change direction