A nozzle is $$designed to $$accelerate the fluid from V$1$to$$V$2$in $$a linear fashion. That

is$,$V$=$ax$+$b$,$where a and b $$are constants. If $$the flow is $$steady with V$1=3$ms$$at$$x$1=$

$0\mathrm{.}2$and V$2=25$ms$$at$$x$2=2\mathrm{.}6$mms$2$