送交者: lala 于 October 04, 2011 17:05:50:
回答: "too simple，sometimes naive":)) 由 玩笑 于 October 04, 2011 15:00:11:
can conclude that
v(t) is increasing (2011 年的炸药奖) and v(t)/t => 0 as t => infinity
(不能得炸药奖因为"too simple，sometimes naive":)).
Is it possible that
v(t) = a log t for some constant a > 0
or
v(t) = a t^{b} for some constants a > 0 and 0 < b < 1?