The speed of a particle moving in a circle of radius 2.0 m increases its speed constantly at a rate of 4.4 m / s2. At an instant when the magnitude of the total acceleration is 6.0 m / s2, what is the velocity of the particle? choose an answer A B C D E 3.9 m/s 2.9 m/s 3.5 m/s 3.0 m/s 1.4 m/s

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