function p = rabbitvel(t)
% usage: p = rabbitvel(t)
% description: gives vector velocity of rabbit.

% we allow for different paths by way of a global...coordinate w. rabbitpos

global pathnum;

switch pathnum
case 0
    p = (1+t/10)*[-sin(t);cos(t)]+(1/10)*[cos(t);sin(t)];
otherwise
end