A man slides down a light rope the breaking strength of which is β times his weight (β < 1).
A man slides down a light rope the breaking strength of which is β times his weight (β < 1). The maximum acceleration of man so that the rope just breaks is
(A) βg
(B) (1 - β)g
(C) g/(1 + β)
(D) g/(2 + β)
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