A particle moves in a straight-line OA; the distance of the particle from O at time t seconds is x ft, where x = a + bt + ct2 (a, b > 0). What will be the nature of motion of the particle when c < 0?

A particle moves in a straight-line OA; the distance of the particle

1.	A particle moves in a straight-line OA; the distance of the particle from O at time t seconds is x ft, where x = a + bt + ct2 (a, b > 0). What will be the nature of motion of the particle when c < 0?
A.	Uniform retardation
B.	Uniform speed
C.	Uniform acceleration
D.	Uniform velocity
Answer» B. Uniform speed

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